LEADING TECHNOLOGY
12/286MX
|
Processor |
80286 |
|
Processor Speed |
12MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
2MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 (exact location unidentified) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External Battery |
J1 |
Speaker |
J8 |
|
Turbo LED |
J6 |
Power LED & keylock |
J9 |
|
Reset switch |
J7 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Monitor type select color |
J3 |
pins 2 & 3 closed |
|
Monitor type select monochrome |
J3 |
pins 1 & 2 closed | |
|
|
Parity check disabled |
J4 |
pins 1 & 2 closed |
|
Parity check enabled |
J4 |
pins 2 & 3 closed | |
|
|
Turbo enabled |
J5 |
pins 1 & 2 closed |
|
Turbo disabled |
J5 |
pins 2 & 3 closed | |
|
|
Wait state select 0 wait state |
J10 |
pins 1 & 2 closed |
|
Wait state select 1 wait state |
J10 |
pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
J12 |
N/A |
|
|
Reset select power good |
J13 |
pins 1 & 2 closed |
|
Reset select RC circuit |
J13 |
pins 2 & 3 closed | |
|
|
BIOS type select 64K |
J14 |
pins 1 & 2 closed |
|
BIOS type select 32K |
J14 |
pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
J15 |
Open |
|
|
Factory configured - do not alter |
J16 |
N/A |
|
|
NPU speed select 24MHz |
J17 |
pins 2 & 3 closed |
|
NPU speed select 12MHz |
J17 |
pins 1 & 2 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
640KB |
(4) 44256 |
(4) 4464 |
NONE |
NONE |
|
1MB |
(4) 44256 |
(4) 44256 |
NONE |
NONE |
|
1152KB |
(4) 44256 |
(4) 4464 |
(4) 44256 |
NONE |
|
1536KB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
NONE |
|
1664KB |
(4) 44256 |
(4) 4464 |
(4) 44256 |
(4) 44256 |
|
2MB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
(4) 44256 |
|
DRAM PARITY CONFIGURATION | ||||
|
Size |
P0 |
P1 |
P2 |
P3 |
|
640KB |
(2) 41256 |
(2) 4164 |
NONE |
NONE |
|
1MB |
(2) 41256 |
(2) 41256 |
NONE |
NONE |
|
1152KB |
(2) 41256 |
(2) 4164 |
(2) 41256 |
NONE |
|
1536KB |
(2) 41256 |
(2) 41256 |
(2) 41256 |
NONE |
|
1664KB |
(2) 41256 |
(2) 4164 |
(2) 41256 |
(2) 41256 |
|
2MB |
(2) 41256 |
(2) 41256 |
(2) 41256 |
(2) 41256 |
|
DRAM SWITCH CONFIGURATION | |||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
|
640KB |
On |
On |
On |
|
1MB |
On |
Off |
Off |
|
1152KB |
On |
On |
Off |
|
1536KB |
Off |
On |
On |
|
1664KB |
On |
Off |
On |
|
2MB |
Off |
On |
Off |